Which of the following circular rods (given radius r and length 1), each made of the...

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Which of the following circular rods (given radius r and length 1), each made of the same material and whose ends are maintained at the same temperature will conduct most heat? (a) r = r; 1=1, 0 (c) r=r; 1=21, (b) r = 2r; 1= 1 (d) r = 2r; 1= 21 Which of the following circular rods (given radius r and length 1), each made of the same material and whose ends are maintained at the same temperature will conduct most heat? (a) r = r; 1=1, 0 (c) r=r; 1=21, (b) r = 2r; 1= 1 (d) r = 2r; 1= 21

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